package Rule;

public class chartoDBC {

	 /**
     * 全角转半角
     * @param str String.
     * @return 半角字符串
     */
    public static String ToDBC(String str) {
           	
        char c[] = str.toCharArray();
        for (int i = 0; i < c.length; i++) {     	
	        if (c[i] == '\u3000') {        	
	        	c[i] = ' ';
	        } else if (c[i] > '\uFF00' && c[i] < '\uFF5F') {
	            c[i] = (char) (c[i] - 65248);
	        }
	    }
        String returnString = new String(c);
        return returnString;
    }
}
